8 313 871 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
548715487	9	29.0	old
677418332760017	15	49.3	2014-04-25 10:43:18

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-07	trebor	66F66A77FFA964B7	2	4017777	5	3
Verified	PRP without proof (not generated)	2020-04-26	oodaira	66F66A77FFA964B7	2	611737	5	3

History

Date	User	Type	Result
2024-06-06	Stef42	NF-PM1	B1=1472000, B2=11222126370
2020-04-26	oodaira	C-PRP	M8313871/548715487/677418332760017 : 66F66A77FFA964B7
2018-10-07	trebor	C-PRP	M8313871/548715487/677418332760017 : 66F66A77FFA964B7
2014-04-25	TJAOI	F	Factor: 677418332760017

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